<template>
	<view class="page" @touchstart="touchStart" @touchend="touchEnd">
		<form>
			<view class="uni-textarea">
				<textarea placeholder="这一刻的想法..." v-model="input_content"/>
			</view>
			<view class="uni-list list-pd">
				<view class="uni-list-cell cell-pd">
					<view class="uni-uploader">
						<view class="uni-uploader-head">
							<view class="uni-uploader-title"></view>
							<view class="uni-uploader-info">{{imageList.length}}/9</view>
						</view>
						<view class="uni-uploader-body">
							<view class="uni-uploader__files">
								<block v-for="(image,index) in imageList" :key="index">
									<view class="uni-uploader__file" style="position: relative;">
										<image class="uni-uploader__img" mode="aspectFill" :src="image" :data-src="image" @tap="previewImage"></image>
										<view class="close-view" @click="close(index)">x</view>
									</view>
								</block>
								<view class="uni-uploader__input-box" v-show="imageList.length < 9">
									<view class="uni-uploader__input" @tap="chooseImage"></view>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</form>
	</view>
</template>

<script>

	import websocket from '../../../util/websocket';
	import _hook from '../../../util/_hook';
	import _data from '../../../util/_data';

	var sourceType = [
		['camera'],
		['album'],
		['camera', 'album']
	]
	var sizeType = [
		['compressed'],
		['original'],
		['compressed', 'original']
	]
	export default {
		data() {
			return {
				// title: 'choose/previewImage',
				input_content:'',
				imageList: [],
				sourceTypeIndex: 2,
				sourceType: ['拍照', '相册', '拍照或相册'],
				sizeTypeIndex: 2,
				sizeType: ['压缩', '原图', '压缩或原图'],
				countIndex: 8,
				count: [1, 2, 3, 4, 5, 6, 7, 8, 9],

				//侧滑返回start
				startX: 0, //点击屏幕起始位置
				movedX: 0, //横向移动的距离
				endX: 0, //接触屏幕后移开时的位置
				//end

				send_status: false,
			}
		},
		onShow(){
			_hook.routeSonHook();
		},
		onUnload() {
			this.imageList = [],
			this.sourceTypeIndex = 2,
			this.sourceType = ['拍照', '相册', '拍照或相册'],
			this.sizeTypeIndex = 2,
			this.sizeType = ['压缩', '原图', '压缩或原图'],
			this.countIndex = 8;
		},
		methods: {
			publish(){
				if (!this.input_content) {
					uni.showModal({ content: '内容不能为空', showCancel: false, });
					return;
				}
				if(this.send_status){
					return;
				}

				this.send_status = true;

				let _this = this;

				uni.showLoading({title:'发布中'});

				// #ifndef H5
				//var location = await this.getLocation(); //位置信息,可删除
				// #endif

				((callback) => {
					let content = {
						text: this.input_content,
						value: [],
					};
					if(_this.imageList.length){
						for(var i = 0,len = _this.imageList.length; i < len; i++){
							_this.$httpSendFile({
								type: 2,
								local_url: _this.imageList[i],
								data: { len: len },
								success(data){
									content.value.push(data.save_name);
									if(content.value.length >= len){
										callback(content);
									}
								},
								fail(){
									_this.$httpSend({ path: '/im/upload/deleteCircleFile' });
								},
							});
						}
						return;
					}
					callback(content);
				})((content) => {
					/** 这里发送消息至朋友圈 */
					_this.$httpSend({
						path: '/im/circle/sendMsg',
						data: {
							content: JSON.stringify(content),
						},
						success_action: true,
						success(res){
							uni.hideLoading();
							_this.send_status = false;
							if(res.err){
								uni.showModal({
									content: '发布失败',
								});
								_this.$httpSend({ path: '/im/upload/deleteCircleFile' });
								return;
							}

							if(_this.imageList.length){
								_this.$httpSend({ path: '/im/upload/circleFileAction',data: { circle_id: res.data.circle_id, } });
							}

							uni.showToast({
								icon: 'success',
								title: '发布成功',
								success(){
									let circle_data = _data.localData('circle_data');
									w.getCircleList({
										time: (circle_data.length ? circle_data[circle_data.length - 1].time: 0) ,
										type: 0,
										user_id: 0,
									});
									uni.navigateBack();
								}
							});
						},
						fail(err){
							uni.hideLoading();
							uni.showModal({
								content: '发布失败',
							});
							_this.$httpSend({ path: '/im/upload/deleteCircleFile' });
						}
					});
				});
			},
			// #ifndef H5
			getLocation(){
				// h5中可能不支持,自己选择
				return new Promise((resolve, reject) => {
					uni.getLocation({
						type: 'wgs84',
						success: function (res) {
							resolve(res);
						},
						fail: (e) => {
							reject(e);
						}
					});
				});
			},
			// #endif
			close(e){
			    this.imageList.splice(e,1);
			},
			chooseImage: async function() {
				if (this.imageList.length === 9) {
					let isContinue = await this.isFullImg();
					console.log("是否继续?", isContinue);
					if (!isContinue) {
						return;
					}
				}
				uni.chooseImage({
					sourceType: sourceType[this.sourceTypeIndex],
					sizeType: sizeType[this.sizeTypeIndex],
					count: this.imageList.length + this.count[this.countIndex] > 9 ? 9 - this.imageList.length : this.count[this.countIndex],
					success: (res) => {
						this.imageList = this.imageList.concat(res.tempFilePaths);
					}
				})
			},
			isFullImg: function() {
				return new Promise((res) => {
					uni.showModal({
						content: "已经有9张图片了,是否清空现有图片？",
						success: (e) => {
							if (e.confirm) {
								this.imageList = [];
								res(true);
							} else {
								res(false)
							}
						},
						fail: () => {
							res(false)
						}
					})
				})
			},
			previewImage: function(e) {
				var current = e.target.dataset.src
				// 					var current = 'https://i.loli.net/2019/02/18/5c6a6e2623448.jpg'
				// 					this.imageList = ['https://i.loli.net/2019/02/18/5c6a6e2623448.jpg','https://i.loli.net/2019/02/18/5c6a6e49829ea.jpg']
				console.log(current);
				console.log(this.imageList);
				uni.previewImage({
					current: current,
					urls: this.imageList
				})
			},
			touchStart: function(e) {
				this.startX = e.mp.changedTouches[0].pageX;
			},

			touchEnd: function(e) {
				this.endX = e.mp.changedTouches[0].pageX;
				if (this.endX - this.startX > 200) {
					uni.navigateBack();
				}
			}
		},
		onNavigationBarButtonTap(e) {
			if (e.index == 0) {
				this.publish();
			}
		},
	}
</script>

<style scoped>

	.cell-pd {
		padding: 20upx 30upx;
	}

	.uni-textarea {
		width: auto;
		padding: 20upx 25upx;
		line-height: 1.6;
		height: 150upx;
	}
	.uni-list::before {
		height: 0;
	}
	.uni-list:after {
		height: 0;
	}
	.list-pd {
		margin-top: 0;
		margin-bottom: 80upx;
	}
	.close-view {
	    text-align: center;
		line-height:22upx;
		height: 24upx;
		width: 24upx;
		border-radius: 50%;
		background: #ef5350;
		color: #FFFFFF;
		position: absolute;
		top: 6upx;
		right: 8upx;
		font-size: 24upx;
	}
	.page {
		width: 750upx;
		height: 100%;
	}
</style>
